Analysis

  • resource
    win7

General

  • Target

    amix

  • Sample

    190902-nwtlcy8qcx

  • SHA256

    d95a38a7c3ba130e354926102de8f64986d8248ee095e5e410d6ee410d74e0bc

Score
N/A

Malware Config

Signatures

  • Drops file in system dir 51 IoCs
  • Loads dropped DLL
  • Suspicious behavior: EnumeratesProcesses
  • Adds Run entry to start application 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\amix.exe
    C:\Users\Admin\AppData\Local\Temp\amix.exe
    1⤵
    • Adds Run entry to start application
    • Suspicious use of WriteProcessMemory
    PID:1800
  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 23c -InterruptEvent 224 -NGENProcess 234 -Pipe 238 -Comment "NGen Worker Process"
    1⤵
      PID:1640
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 224 -InterruptEvent 244 -NGENProcess 22c -Pipe 214 -Comment "NGen Worker Process"
      1⤵
      • Drops file in system dir
      PID:1888
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 244 -InterruptEvent 22c -NGENProcess 23c -Pipe 240 -Comment "NGen Worker Process"
      1⤵
        PID:1920
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 22c -InterruptEvent 24c -NGENProcess 234 -Pipe 21c -Comment "NGen Worker Process"
        1⤵
        • Drops file in system dir
        PID:1872
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 24c -InterruptEvent 234 -NGENProcess 244 -Pipe 248 -Comment "NGen Worker Process"
        1⤵
          PID:832
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 234 -InterruptEvent 254 -NGENProcess 23c -Pipe 224 -Comment "NGen Worker Process"
          1⤵
          • Drops file in system dir
          PID:1824
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 254 -InterruptEvent 23c -NGENProcess 24c -Pipe 250 -Comment "NGen Worker Process"
          1⤵
            PID:1952
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 23c -InterruptEvent 25c -NGENProcess 244 -Pipe 22c -Comment "NGen Worker Process"
            1⤵
            • Drops file in system dir
            PID:2036
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 204 -InterruptEvent 23c -NGENProcess 264 -Pipe 254 -Comment "NGen Worker Process"
            1⤵
              PID:1804
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 23c -InterruptEvent 218 -NGENProcess 244 -Pipe 234 -Comment "NGen Worker Process"
              1⤵
              • Drops file in system dir
              PID:812
            • C:\Windows\SysWOW64\icacls.exe
              icacls "C:\Users\Admin\AppData\Local\e7f5b479-5974-4b8a-aa02-c907649735c5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
              1⤵
                PID:1824
              • C:\Users\Admin\AppData\Local\Temp\amix.exe
                "C:\Users\Admin\AppData\Local\Temp\amix.exe" --Admin IsNotAutoStart IsNotTask
                1⤵
                  PID:1592
                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 218 -InterruptEvent 244 -NGENProcess 204 -Pipe 260 -Comment "NGen Worker Process"
                  1⤵
                    PID:1988
                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 244 -InterruptEvent 26c -NGENProcess 264 -Pipe 258 -Comment "NGen Worker Process"
                    1⤵
                    • Drops file in system dir
                    PID:1444
                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 26c -InterruptEvent 264 -NGENProcess 218 -Pipe 268 -Comment "NGen Worker Process"
                    1⤵
                      PID:832
                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 264 -InterruptEvent 274 -NGENProcess 204 -Pipe 23c -Comment "NGen Worker Process"
                      1⤵
                      • Drops file in system dir
                      PID:1316
                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 25c -InterruptEvent 264 -NGENProcess 27c -Pipe 26c -Comment "NGen Worker Process"
                      1⤵
                        PID:1792
                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 264 -InterruptEvent 20c -NGENProcess 204 -Pipe 244 -Comment "NGen Worker Process"
                        1⤵
                        • Drops file in system dir
                        PID:1640
                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 20c -InterruptEvent 204 -NGENProcess 25c -Pipe 278 -Comment "NGen Worker Process"
                        1⤵
                          PID:352
                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 204 -InterruptEvent 284 -NGENProcess 27c -Pipe 270 -Comment "NGen Worker Process"
                          1⤵
                          • Drops file in system dir
                          PID:1464
                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 280 -InterruptEvent 288 -NGENProcess 284 -Pipe 138 -Comment "NGen Worker Process"
                          1⤵
                            PID:1940
                          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 288 -InterruptEvent 218 -NGENProcess 20c -Pipe 24c -Comment "NGen Worker Process"
                            1⤵
                            • Drops file in system dir
                            PID:1696
                          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 264 -InterruptEvent 280 -NGENProcess 28c -Pipe 288 -Comment "NGen Worker Process"
                            1⤵
                              PID:888
                            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 280 -InterruptEvent 28c -NGENProcess 204 -Pipe 290 -Comment "NGen Worker Process"
                              1⤵
                              • Drops file in system dir
                              PID:836
                            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 10c -InterruptEvent 274 -NGENProcess 294 -Pipe 280 -Comment "NGen Worker Process"
                              1⤵
                                PID:544
                              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 274 -InterruptEvent 25c -NGENProcess 204 -Pipe 284 -Comment "NGen Worker Process"
                                1⤵
                                • Drops file in system dir
                                PID:604
                              • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 25c -InterruptEvent 204 -NGENProcess 10c -Pipe 28c -Comment "NGen Worker Process"
                                1⤵
                                  PID:1232
                                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 204 -InterruptEvent 29c -NGENProcess 294 -Pipe 20c -Comment "NGen Worker Process"
                                  1⤵
                                  • Drops file in system dir
                                  PID:1884
                                • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2a4 -InterruptEvent 264 -NGENProcess 294 -Pipe 2a0 -Comment "NGen Worker Process"
                                  1⤵
                                    PID:1944
                                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 264 -InterruptEvent 2ac -NGENProcess 10c -Pipe 2a8 -Comment "NGen Worker Process"
                                    1⤵
                                    • Drops file in system dir
                                    PID:2024
                                  • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2ac -InterruptEvent 10c -NGENProcess 2a4 -Pipe 25c -Comment "NGen Worker Process"
                                    1⤵
                                      PID:592
                                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 10c -InterruptEvent 2b4 -NGENProcess 294 -Pipe 298 -Comment "NGen Worker Process"
                                      1⤵
                                      • Drops file in system dir
                                      PID:1304
                                    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2b4 -InterruptEvent 294 -NGENProcess 2ac -Pipe 2b0 -Comment "NGen Worker Process"
                                      1⤵
                                        PID:1624
                                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 294 -InterruptEvent 2bc -NGENProcess 2a4 -Pipe 264 -Comment "NGen Worker Process"
                                        1⤵
                                        • Drops file in system dir
                                        PID:820
                                      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2bc -InterruptEvent 2a4 -NGENProcess 2b4 -Pipe 2b8 -Comment "NGen Worker Process"
                                        1⤵
                                          PID:1640
                                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2a4 -InterruptEvent 2c4 -NGENProcess 2ac -Pipe 10c -Comment "NGen Worker Process"
                                          1⤵
                                          • Drops file in system dir
                                          PID:1096
                                        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2c8 -InterruptEvent 2bc -NGENProcess 2cc -Pipe 2a4 -Comment "NGen Worker Process"
                                          1⤵
                                            PID:1184
                                          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
                                            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe -StartupEvent 2bc -InterruptEvent 29c -NGENProcess 2ac -Pipe 294 -Comment "NGen Worker Process"
                                            1⤵
                                              PID:1988

                                            Network

                                            MITRE ATT&CK Enterprise v15

                                            MITRE ATT&CK Additional techniques

                                            • T1060

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